mirror of
https://github.com/markqvist/Reticulum.git
synced 2024-12-23 12:20:18 +00:00
38 lines
794 B
Python
38 lines
794 B
Python
import importlib
|
|
|
|
PROVIDER_NONE = 0x00
|
|
PROVIDER_INTERNAL = 0x01
|
|
PROVIDER_PYCA = 0x02
|
|
|
|
PROVIDER = PROVIDER_NONE
|
|
|
|
pyca_v = None
|
|
use_pyca = False
|
|
|
|
try:
|
|
if importlib.util.find_spec('cryptography') != None:
|
|
import cryptography
|
|
pyca_v = cryptography.__version__
|
|
v = pyca_v.split(".")
|
|
|
|
if int(v[0]) == 2:
|
|
if int(v[1]) >= 8:
|
|
use_pyca = True
|
|
elif int(v[0]) >= 3:
|
|
use_pyca = True
|
|
|
|
except Exception as e:
|
|
pass
|
|
|
|
if use_pyca:
|
|
PROVIDER = PROVIDER_PYCA
|
|
else:
|
|
PROVIDER = PROVIDER_INTERNAL
|
|
|
|
def backend():
|
|
if PROVIDER == PROVIDER_NONE:
|
|
return "none"
|
|
elif PROVIDER == PROVIDER_INTERNAL:
|
|
return "internal"
|
|
elif PROVIDER == PROVIDER_PYCA:
|
|
return "openssl, PyCA "+str(pyca_v) |